Research on Identification of Key Core Technologies and Measurement of Competitive Advantages in the New Energy Storage Fieldfrom the Perspective of Patents
New energy storage technology is a key technology for building an innovative power system.Analy-zing the technological competitive advantage in this field is of great significance for China to obtain sustainable competitive advantage in the future.Based on the characteristics of key core technologies,this paper con-structs a key core patent index evaluation system from four dimensions:technological innovation,technologi-cal impact,technological economy,and technological safety,to select key core technologies.On this basis,the paper assesses the technological competitive advantage of major R&D countries from the perspectives of technological quantity and technological quality.Using global patent data in the new energy storage field over the past 20 years as a sample,12 key core technology areas are identified.The United States holds a leading position in technological competition,while Japan and China closely follow,occupying significant positions in the global new energy storage field.Electrodes,as a key technology,show significant advantages for the U-nited States and Japan,while China needs to increase research and development investment to enhance com-petitiveness and ensure national autonomy in the field of energy storage and conversion.The research conclu-sions provide a grasp of the current technological development competition and key directions,while also pro-viding decision-making references for the cultivation and development of key core technologies in the new en-ergy storage field.
Key Core TechnologiesTechnological IdentificationCompetitive AdvantageNew Energy Storage Technology